https://bugzilla.kernel.org/show_bug.cgi?id=153401
--- Comment #11 from Zhang Rui <[email protected]> --- (In reply to Luca Viggiani from comment #0) > With linux 4.7.x: > > $ ls /sys/class/backlight/ > intel_backlight > > With linux prior to 4.7 (e.g. 4.6.x) > $ ls /sys/class/backlight/ > acpi_video0 hmmm, it seems that the acpi video backlight interface works on this platform. > Since I've upgraded to linux 4.7, if I set the screen brightness to any > value other than 100% (with either fn keys or gnome sliders) it starts > flashing from the brightness level I've set (e.g. 50%) to 100% and back. > It's a combination of both flash and smooth up and down continuous > adjustments. I've tried with the kernel parameters suggested in the arch > wiki and with acpi_backlight=video or acpi_backlight=vendor the backlight > control does not work, This sounds strange. when using acpi_backlight=video, it should gives you back the /sys/class/backlight/acpi_video0 interface, no? Can you please check? -- You are receiving this mail because: You are watching the assignee of the bug. ------------------------------------------------------------------------------ _______________________________________________ acpi-bugzilla mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla
